Home / 511,499,204.44-705,867,574.48-285,435,817.83

Finding the Fourth Proportional to 511,499,204.44, 705,867,574.48 and 285,435,817.83

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Solution

The fourth proportional to 511,499,204.44, 705,867,574.48 and 285,435,817.83 is: 393,900,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,499,204.44 : 705,867,574.48 = 285,435,817.83 : x
  2. Step 2: Convert to fraction form
    511,499,204.44/705,867,574.48 = 285,435,817.83/x
  3. Step 3: Cross multiply
    511,499,204.44x = 705,867,574.48 × 285,435,817.83
  4. Step 4: Simplify right side
    511,499,204.44x = 201,479,888,403,141,888
  5. Step 5: Solve for x
    x = 201,479,888,403,141,888/511,499,204.44
  6. Step 6: Final answer
    x = 393,900,687.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.